前: front伐: fell; chop; cut down预备伐, 前伐: advanced felling前阀门: early gate前发缘低下: low anterior hairline前法国传道会大楼: former french mission building前发适应: anticipation adaptation前法国外方传道会大楼: former french mission building前发射发光二极管: front emitting led前法兰: front flange前发球线: front service line; short service line前帆: fore sail; foresail; jib前发球区: rightshort service courtt